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158941441 = 192440281
BaseRepresentation
bin10010111100101…
…00000100000001
3102002002001200001
421132110010001
5311142111231
623434400001
73636660061
oct1136240401
9362061601
10158941441
118179a06a
1245290001
1326c0c9b9
14171753a1
15de48b61
hex9794101

158941441 has 6 divisors (see below), whose sum is σ = 167747442. Its totient is φ = 150575760.

The previous prime is 158941397. The next prime is 158941507. The reversal of 158941441 is 144149851.

It can be written as a sum of positive squares in only one way, i.e., 123121216 + 35820225 = 11096^2 + 5985^2 .

It is not a de Polignac number, because 158941441 - 217 = 158810369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158941441.

It is not an unprimeable number, because it can be changed into a prime (158947441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219780 + ... + 220501.

It is an arithmetic number, because the mean of its divisors is an integer number (27957907).

Almost surely, 2158941441 is an apocalyptic number.

It is an amenable number.

158941441 is a deficient number, since it is larger than the sum of its proper divisors (8806001).

158941441 is an equidigital number, since it uses as much as digits as its factorization.

158941441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440319 (or 440300 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 158941441 is about 12607.1979836917. The cubic root of 158941441 is about 541.6836352659.

The spelling of 158941441 in words is "one hundred fifty-eight million, nine hundred forty-one thousand, four hundred forty-one".

Divisors: 1 19 361 440281 8365339 158941441